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CVE-2026-98631 xsk: Use a 32-bit compare in xsk_map_gen_lookup

🗓️ 18 Oct 2026 15:19:53Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

Out-of-range index in Linux kernel xsk_map_gen_lookup leads to out-of-bounds read.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98631
18 Oct 202615:19
–cve
debiancve
Debian CVE
CVE-2026-98631
18 Oct 202615:19
–debiancve
euvd
EUVD
EUVD-2026-103545
18 Oct 202615:19
–euvd
nvd
NVD
CVE-2026-98631
18 Oct 202616:17
–nvd
osv_azl
osv_azl
AZL-108740 CVE-2026-98631 affecting package kernel 6.6.157.1-1
18 Oct 202616:17
–osv_azl
osv_debian
osv_debian
DEBIAN-CVE-2026-98631
18 Oct 202617:47
–osv_debian
ptsecurity
Positive Technologies
PT-2026-116850
18 Oct 202600:00
–ptsecurity
ubuntucve
UbuntuCve
CVE-2026-98631
19 Oct 202600:00
–ubuntucve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/xdp/xskmap.c"
    ],
    "versions": [
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "c6d5c582d55a8f229d75e98d62eaa065b0deb18d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "227ec890559e922e235eb543646e3bf0bd8269b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "11d9be35c1f4233798e99be98bc474f83a254c6c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "123f90f394ca404ab8796a7c8072ff7fa5b65a9c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "36461e58f88a1b723f86693f437ac12e60ff4363",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "b5c0cff0c5331582ab01c4c423731453a8381acc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "3c1e0a4bc156b8d5c5772dbc76b9ea74dce5ca24",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e65650f291ee72fc578d6346080fc4699204ef2c",
        "lessThan": "70504de0bb627848667207bec7ccfd647deb8814",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/xdp/xskmap.c"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.55",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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